package com.pet.system.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * Spring Context 工具类
 *
 * @author Centaurea
 */
@Component
public class SpringContextUtil implements ApplicationContextAware {

  private static ApplicationContext applicationContext;

  @Override
  public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
    SpringContextUtil.applicationContext = applicationContext;
  }

  public static Object getBean(String name) {
    return applicationContext.getBean(name);
  }

  public static <T> T getBean(Class<T> clazz) {
    return applicationContext.getBean(clazz);
  }

  public static <T> T getBean(String name, Class<T> requiredType) {
    return applicationContext.getBean(name, requiredType);
  }

  public static boolean containsBean(String name) {
    return applicationContext.containsBean(name);
  }

  public static boolean isSingleton(String name) {
    return applicationContext.isSingleton(name);
  }

  public static Class<?> getType(String name) {
    return applicationContext.getType(name);
  }

  /** 获取当前环境 */
  public static String getActiveProfile() {
    String[] profiles = applicationContext.getEnvironment().getActiveProfiles();
    return profiles.length == 0 ? "" : profiles[0];
  }
}
